Generation of Accurate Aortic Pressure Waves From Calibrated Upper Limb Pressure Waveforms
نویسندگان
چکیده
منابع مشابه
Generation of accurate aortic pressure waves from calibrated upper limb pressure waveforms.
Fourteen years ago, Chen Chen-Huan et al. from Baltimore1 were the first to validate use of a transfer function method for generation of the aortic from the radial artery pressure waveform. This technique had the potential capacity to link the century old brachial cuff sphygmomanometer with the even older clinical method of palpating or directly recording the radial arterial pressure wave. Ther...
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Calibration of Noninvasively Recorded Upper-Limb Pressure Waves To the Editor: The article by Verbeke et al1 raises an important question: how does one calibrate the radial artery waveform obtained by applanation tonometry? Does one apply systolic and diastolic brachial values from the Korotkov technique, the “gold standard”, or does one use an oscillometric wrist technique, despite lack of con...
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We have developed a new technique to estimate the clinically relevant aortic pressure waveform from multiple, less invasively measured peripheral artery pressure waveforms. The technique is based on multichannel blind system identification in which two or more measured outputs (peripheral artery pressure waveforms) of a single-input, multi-output system (arterial tree) are mathematically analyz...
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BACKGROUND Cardiac output by modelflow pulse contour method can be monitored quantitatively and continuously only after an initial calibration, to adapt the model to an individual patient. The modelflow method computes beat-to-beat cardiac output (COmf) from the radial artery pressure, by simulating a three-element model of aortic impedance with post-mortem data from human aortas. METHODS In ...
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Two techniques of venous occlusion pressure plethysmography were examined experimentally in the human upper limb. The first was the classical method, in which external pressure is applied to the limb solely by way of the plethysmograph. In the second, the entire upper limb including the plethysmograph and venous occlusion cuff was enclosed in a box within which the air pressure could be raised....
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ژورنال
عنوان ژورنال: American Journal of Hypertension
سال: 2011
ISSN: 1941-7225,0895-7061
DOI: 10.1038/ajh.2011.185